Brake ob appabatus fob aebesting the motion of carriage-wheels in



0. WALKER.

Carriage-Brake. No. 1,222. .I-atented July 8, 1839 NFEYERSPHOYO-LITHOGRAPHER, WASHINGTON, D 0

UNITED STATES PATENT OFFICE.

CYRUS WALKER, OF LEWISBURG, VIRGINIA.

BRAKE OR APPARATUS FOR ARRESTING THE MOTION OF CARRIAGE-WHEELS INDESCENDING HILLS.

Specification of Letters Patent No. 1,222, dated July 8, 1839.

To all whom it may concern Be it known that I, CYRUS VVALKER, ofLewisburg, in the county of Greenbrier and State of Virginia, haveinvented a new and useful Mode of Arranging Brakes or Appa ratus forArresting the Motion of Carriage \Vheels in Descending Hills; and I dohereby declare that the following is a full and exact descriptionthereof.

Figure 1 in the accompanying drawing is a top view of the carriageframe, with the ar rangement of the lever and the other partsconstituting the brake, or arresting apparatus, the body of the carriagebeing supposed to be removed for the purpose of exhibiting the abovenamed parts.

A, is a foot piece or treadle upon which the driver is to place his footwhen it is necessary to arrest the motion of the carriage, by whichmeans he will be able, without any extraordinary exertion, to check themotion of the hind wheels in any degree which may be desired, or toarrest them altogether. The lever B, to which the piece A, is attachedmoves on a fulcrum on the standard C, as shown in the side view thereof,Fig. 2. The lower end of this lever is connected to lever D, working ona fulcrum at its center, the connection being made by the rod E. Thelever D, carries the rod F, which divides into two as it approaches itsrear end, so as to be attached to the two levers G, G, both vibrating onpins or bolts at their centers. Each of these levers carries aconnecting rod H, H, at its outer end, which rods are attached to theslide or brake bar I, I, which is to be drawn by them toward the wheelsJ, J, so as to bring the blocks or stop pieces K, K at the ends of saidbar into contact with the wheels.

L, L, is a spring by which the brake bar is borne off when the foot isremoved from the treadle.

I am aware that brakes in some respects similar to that above describedhave been previously employed, but accidents have frequently occurredfrom the giving way of one of the blocks, or stop pieces, in consequence of which, under the arrangement of the respective parts of theapparatus as heretofore constituted the block, or stop piece, on theopposite end has been rendered inefficient, while by my improvedarrangement this difliculty is obviated. This improvement consists inthe employment of the two levers G, G, and the two connecting rods H, H,by which the bar I, I, is acted on equally, and simultaneously at eachend, so that if one of the blocks, or stop pieces, should give way, theother will not be thereby affected. It is this particular arrangement ofthe rods and levers, which I claim as of my invention, and desire tosecure by Letters Patent.

CYRUS VALKER.

\Vitnesses THOS. P. J ONES, LIN'ION THORN.

